Transform your device into a professional audio analysis tool with real-time FFT, SPL monitoring, and advanced visualization. Record, analyze, and export high-quality audio and video data for various acoustic applications.






250+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our sound frequency meter list covers 250+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.5★ (187) | No | Yes | Nov 2026 | ||
| 2 | Free | 4.5★ (21) | No | No | Nov 2026 | ||
| 3 | Free | 4.6★ (164K) | No | Yes | Nov 2026 | ||
| 4 | Free | 4.7★ (1.2K) | Yes | No | Nov 2026 | ||
| 5 | Free | 5.0★ (1) | No | Yes | Oct 2026 | ||
| 6 | Free | 1.0★ (1) | No | No | Oct 2026 | ||
| 7 | Free | 3.6★ (42) | No | Yes | Oct 2026 | ||
| 8 | Free | 4.5★ (3K) | No | Yes | Oct 2026 |






Transform your device into a professional audio analysis tool with real-time FFT, SPL monitoring, and advanced visualization. Record, analyze, and export high-quality audio and video data for various acoustic applications.





This app transforms your device into a real-time audio analysis toolkit. It visualizes sound frequencies, measures loudness, generates tones, and even includes a hearing test. Ideal for musicians and audio professionals seeking precise sound insights.






This tool transforms your device into a professional sound level meter, offering precise measurements of ambient noise. It features advanced calibration, frequency analysis, and data management for various applications, from personal curiosity to professional use.